Home / 455,931.10-683,896.65-367,357.60

Finding the Fourth Proportional to 455,931.10, 683,896.65 and 367,357.60

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Solution

The fourth proportional to 455,931.10, 683,896.65 and 367,357.60 is: 551,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,931.10 : 683,896.65 = 367,357.60 : x
  2. Step 2: Convert to fraction form
    455,931.10/683,896.65 = 367,357.60/x
  3. Step 3: Cross multiply
    455,931.10x = 683,896.65 × 367,357.60
  4. Step 4: Simplify right side
    455,931.10x = 251,234,631,992.04
  5. Step 5: Solve for x
    x = 251,234,631,992.04/455,931.10
  6. Step 6: Final answer
    x = 551,036.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.